diff --git a/system/libraries/Router.php b/system/libraries/Router.php
index f6464a3..d9dd6dd 100644
--- a/system/libraries/Router.php
+++ b/system/libraries/Router.php
@@ -204,7 +204,7 @@
 				// Does the requested controller exist in the sub-folder?
 				if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT))
 				{
-					show_404();	
+					show_404($this->fetch_directory().$segments[0]);	
 				}
 			}
 			else
@@ -225,7 +225,7 @@
 		}
 	
 		// Can't find the requested controller...
-		show_404();	
+		show_404($segments[0]);	
 	}
 		
 	// --------------------------------------------------------------------